Technical Manual
Technical Manual
Index
Machine Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Mains Parts Layout - Hot, Cold and Sparkling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Mains Parts Layout - Hot and Cold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Mains Parts Layout - Cold and Sparkling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Mains Parts Layout - Cold Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Carbonation Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Pre Delivery Inspection Procedures (PDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Installation Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Instructions on Changing the CO2 Bottle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Maintenance and Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Sanitising or Descaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Fault Finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Malfunction Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Technical Specifications and Warranties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
End of Life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
ROHS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
BioCote® . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Main PCB Schematic Diagram - Hot, Cold and Sparkling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Electrical Wiring Diagram 230V - Hot, Cold and Sparkling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Electrical Wiring Diagram 230V - Hot and Cold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Electrical Wiring Diagram 230V - Cold and Sparkling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Electrical Wiring Diagram 230V - Cold Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Electrical Wiring Diagram 230V - Cold and Ambient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Electrical Wiring Diagram 230V - Cold,Sparkling and Ambient . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Wetted Parts Illustration - Hot, Cold and Sparkling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Wetted Parts Illustration - Hot and Cold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Main Parts List Illustration - Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
PCB Programming Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
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Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
3
MACHINE OVERVIEW
WATERLOGIC 4 FIREWALL
The FIREWALL is available in the following options:
a) Cold, Hot & Sparkling (Full Option)
b) Cold & Hot
c) Cold & Ambient
d) Cold & Sparkling
e) Cold Only
f) Cold Sparkling & Ambient
When reading this manual, note the differences between the
options and focus on the particular sections that concern the
unit installed.
HIGH CAPACITY COLD TANK (4,5 Litres).
The high capacity cold tank is a unique combination of ice
bath and direct chill, and is manufactured from 304 Stainless
Steel which is noncorrosive and inert. The temperature
of the Cold Tank is controlled by a microprocessor and can
be set between 3°C and 5°C. We recommend the cold water
to be set at 5°C, this being ideal temperature for
a cold drink. The capacity of the tank is 4.5 litres.
STANDARD COLD TANK (2 Litres).
The standard cold tank is manufactured from 304
StainlessSteel which is noncorrosive. The temperature of the
Cold Tank is controlled by a microprocessor and can be set
between 3 degrees and 12 degrees °C.We recommend the
cold water to be set at 5 degrees °C, this being ideal temperature for a cold drink. The capacity of the tank is 2 litres.
IN faucet UV
The Unique design allows the faucet area to be steralised before and during and after every dispense. There are
two types of sensors available, the CDS UV sensor that detects if the UV lamp is working and the UV sensor that
monitors the UVC intensity from the UV lamp.
UV LAMP
The UV light is an 11Watt germicidal lamp at a wavelength of 253.7 NM, which is very efficient at destroying
bacteria in water. The UV lamp is situated in the Firewall Chamber surrounded by a quartz spiral that attains NSF
standard 55 purification of water. The lamp must be replaced at 6 months intervals, and the quartz spiral cleaned
by using a ultrasonic bath if needed
PCB
The PCB (Printed Circuit Board) is the control unit for the WL4 FIREWALL; it is responsible for the functions of all the
mechanical and electrical parts (24V DC). The microprocessor drives the display (at the top of the WL4 FIREWALL)
which informs the user of the status of the unit. There are two different Models of the display PCB depending on
the UV sensor type used.
COMPRESSOR
The compressor operates at 220-240V at 50Hz. It uses 75 gramms of R134a non-Ozone depleting refrigerant gas
for the High Capacity cold tanks and 45 gramms of R134a gas for the Standard cold Tank.
WATER PIPE AND FITTINGS
The inlet and the internal water circuit pipe size is 1/4” and 5/16”. The entire internal water circuit and all the
components which come in contact with water are food grade NSF / WRAS approved.
WATER VALVES
Dispensing of water to the customer is achieved by means of a 24V DC electrical solenoid valve. The valves are
energized every time the customer pushes the dispense button for a drink. DC voltage is used to give a positive and
quieter action of the solenoid valve.
PLASTIC PANELS
HOT TANK
The hot water temperature is controlled by the Microprocessor and can be set between 70°C and 93°C.It is
recommended that the hot temperature is set at 87°C, this being the ideal temperature for instant drinks. A thermal
cut out is fitted to the Hot Tank to prevent overheating. The tank is fed water via a polyphosphate filter to increase
the tank life. Setting the hot water temperature at 87°C also helps stop scale forming in the Hot Tank, prolonging
the 500w heating element and Hot Tank prolonging the 500w heating element and Hot Tank.
FILTERS
The filtration system on the WL4 FIREWALL is designed to reduce dirt and sediment particles from the water.
Furthermore, the Activated Carbon process will remove a whole range of contaminants e.g. chlorine, pesticides.
It is important for the UV sterilization system to be supplied with clean water in order to achieve maximum efficiency.
There are many kinds of different filter combinations available from Waterlogic to suit local water conditions.
The moulded panels are made from recyclable ABS plastic. All the ABS plastic panels are UV resistant and meet the
standards of CE and UL. Please note that the WL4 Firewall should not be exposed to direct sunlight. Placing the WL4
Firewall in direct sunlight from a window, close to a radiator, or in a room of high ambient temperature, will affect
the efficiency of the refrigeration circuit.
PARTS REQUIRED FOR SPARKLING WATER
CO2 Cylinder & Gas Regulator: The units with the option of sparkling water will need CO2 gas, food grade carbon
dioxide. This gas is stored in cylinders in a liquid form. The cylinders are usually painted grey or black (regulation
requirement for CO2). The gas regulator, which comes with the unit, controls the flow of CO2 to the carbonation
tank; it reduces the pressure of the CO2 gas to 45PSI which is needed to make high quality sparkling water.
Water Pump: The water pump is 24V DC and forces the pre-chilled cold still water into the carbonation tank
at a minimum pressure of 45PSI. This pressure is required to overcome the internal pressure from the CO2 gas which
is in the tank and will give a average of 4.8 grams of C02 per litre of water.
Firewall Chamber
The Firewall chamber incorporates the in Faucet UV and is made of stainles steel and is highly reflective.The
Chamber houses the UV lamp and quarts spiral as well as the faucet
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Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
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Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
SOLENOID
VALVE 1
SOLENOID
VALVE 1
FILTER
IN (Water)
COMPRESSOR
FILTER
IN (Water)
FILTER
COMPRESSOR
FAN MOTOR
CONDENSER
SOLENOID
VALVE 3
SOLENOID
VALVE 2
FAN MOTOR
CONDENSER
SOLENOID
VALVE 3
SOLENOID
VALVE 2
DRAIN
VALVE
DRAIN
VALVE
FILTER
DRYER
AIR VENT
FILTER
DRYER
HOT
TANK
CO2 In
HOT
TANK
AIR VENT
COLD
SENSOR
DRAIN
VALVE
COLD
SENSOR
HOT WATER OUT
CHECK VALVE
PUMP
DRAIN
VALVE
DRAIN
VALVE
COLD
TANK
COLD WATER OUT
HOT WATER OUT
DRAIN
VALVE
SOLENOID
VALVE 4
COLD &
SPARKLING
TANK
SAFETY
VALVE
COLD
WATER
OUT
SPARKLING WATER OUT
SOLENOID
VALVE 5
SOLENOID
VALVE 6
HOT WATER OUT
SOLENOID
VALVE 5
CHECK
VALVE
WATER IN
6
FILTER
Main Parts Layout - Hot, Cold and Sparkling
Main Parts Layout - Hot and Cold
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
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Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
FILTER
IN (Water)
COMPRESSOR
SOLENOID
VALVE 1
SOLENOID
VALVE 1
FILTER
IN (Water)
FILTER
COMPRESSOR
FAN MOTOR
CONDENSER
SOLENOID
VALVE 3
FAN MOTOR
CONDENSER
SOLENOID
VALVE 3
FILTER
DRYER
FILTER
DRYER
COLD
SENSOR
CHECK VALVE
COLD
SENSOR
DRAIN
VALVE
CO2 In
DRAIN
VALVE
DRAIN
VALVE
DRAIN
VALVE
COLD
TANK
COLD WATER OUT
PUMP
SOLENOID
VALVE 4
COLD &
SPARKLING
TANK
SAFETY
VALVE
COLD
WATER
OUT
SPARKLING WATER OUT
SOLENOID
VALVE 5
SOLENOID
VALVE 6
SOLENOID
VALVE 5
CHECK
VALVE
WATER IN
8
FILTER
Main Parts Layout - Cold and Sparkling
Main Parts Layout - Cold ONLY
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
9
Carbonation tank
PRE DELIVERY INSPECTION PROCEDURES (PDI)
Cautions:
Only competent trained technicians should work on Waterlogic products.
Waterlogic units may weigh over 25KG. We recommend caution when lifting.
Packing materials could present a trip hazard. Keep them off the floor.
Take care not to allow the power lead to get wet. If the lead gets wet it must not be used.
CO2 gas used for sparkling units is under high pressure. Follow cylinder safety instructions.
For Hot and Cold units, omit section 8,10, 12.
For Cold Only units, omit section 8, 10, 12, 13, 15.
For Cold and Sparkling units, omit section 13, 15.
1. Remove packing straps and unpack unit and visually inspect for any damage.
(Report any defects to Waterlogic as soon as possible).
2. Place the unit on a suitable work bench.
3. Open top cover by removing the screws and releasing the 2 clips in the dispense area then slide the lid
forward and lift up. Use the top support bar to hold top open.
4. Visually inspect all electrical connections and power lead.
5. Visually inspect all water connections.
6. Remove the three screws on top of the Firewall Chamber and inspect the quartz spiral for Damage
and re-assemble.
7. Connect to a potable drinking water supply via a 1/4” John Guest tube limited to 3 bar.
8. Connect to a CO2 regulator via a 1/4” John Guest tube and set to 3 bar.
9. Connect to an appropriate power supply.
10.Turn CO2 on and lift yellow safety valve for 5 seconds.
11. Close top cover and turn on water then the power switch.
(Note the unit will not operate with the top cover open)
12.The unit will auto fill the sparkling water tank.
13.Note the telephone icon might flash if the hot tank is not full of water. The icon will extinguish as you
continue through this PDI procedure.
14.Select the cold button until water flows clearly.
15.Select hot + extra hot button until water flows clearly.
16.After cold/hot has filled,turn on heater/compressor switch,Allow up to an hour for the unit to heat and chill.
Test water temperatures and ensure the water tastes acceptable.
17.Check WL4 FIREWALL functions.
18.Turn off power, water and CO2 if a sparkling unit.
19.Turn unit around and drain from rear drain valves.
20.Clean and repack ready for despatch.
21.Waterlogic recommend that all units are fully electrically (PAT) tested on site by the commissioning engineer
as damage may have occurred during transit to the unit’s final destination.
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Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
11
INSTALLATION PROCEDURE
Important notice: This procedure should only be carried out by a technician trained by Waterlogic
International or by an approved distributing agent.
Note: This appliance is intended for indoor use only. Cleaning of Waterlogic products should not be carried
out using a jet washer.
1. Build the WL4 Firewall base cabinet if required using the separate instructions found in the base cabinet box.
2. Mount the WL4 Firewall on a firm flat surface so that it cannot topple or fall from a counter top.
Level the WL4.
3. It is advisable that the water and electricity supply are within two meters of the WL4 Firewall and that the water
isolation valve and power supply are accessible. The WL4 Firewall should not be installed using an extension
lead. The water supply should be from a potable source.
4. Open the top cover by removing the screws and sliding the two locking lugs, located on the underside front of
the top cover either side of the faucet, inwards.
5. Slide the top cover slightly forward to release the locks and then lift from the front upwards. Use the top cover
support strut, located on the left hand side panel, to hold the top cover safely open.
6. If installing a sparkling water WL4 Firewall then please read the following section. If not then proceed directly
to paragraph 7. Prepare the CO2 gas bottle by removing the dust cover (if fitted). Face the bottle away from
you and momentarily turn on the gas to purge any dirt or dust from the bottle fitting prior to attaching the CO2
pressure regulator. Attach the CO2 pressure regulator to the CO2 bottle and then attach to the WL4 Firewall CO2
‘IN’ bulkhead connector using 1/4” flexible pipe. Turn on the CO2 gas bottle. The pressure regulator should be
pre-set at 45 PSI (3 bar). If the pressure reading is higher or lower than 45 PSI, then please adjust it to the correct
setting. The CO2 bottle should be secured inside the base cabinet, or secured within a cabinet adjacent to the
WL4 Firewall, so the bottle cannot topple over.
The CO2 system in the WL4 Firewall will pressurise. It is required to purge some CO2 gas through the system
to remove any trapped air. This is achieved by lifting the WL4 Firewall pressure release valve (yellow), located
beside the UV lamp assembly, for approximately 2 seconds.
7. Connect the water supply. All water sources should be potable. Allow the water supply to run clear of any sediment
before connecting to the WL4 Firewall. The minimum pressure for the WL4 Firewall to function correctly is
30 PSI (2 bar). The ideal pressure is 45 PSI. The maximum pressure 60 PSI.
8. Check the electrical wall socket (polarity) and then make the electrical connection to the WL4 Firewall by
plugging the power lead in to the socket on the rear of the WL4. Then connect to the electrical feed wall power
outlet. Turn on the power supply to the WL4 Firewall.
9. Close the top cover and turn on the red power switch. The WL4 Firewall will go through a self test cycle and
light the WL4 Firewall icons automatically. When the self test cycle completes, the sparkling water model
will automatically fill with water, whilst still water models will need to be manually flushed through with
water by depressing the cold water dispense button. (Please note carbon filters should be pre-flushed before
commissioning the WL4 Firewall so that excessive carbon fines do not get into the WL4 Firewall tanks and
solenoids). When the WL4 Firewall stops filling, flush 10 litres of water through the WL4 Firewall by depressing
the cold, sparkling and hot buttons. Turn on the green heater and compressor switch (rear) and the WL4 will start
to heat and cool.
10.The water temperature of the WL4 Firewall is factory set at 5°C for still and sparkling water, and 87°C for hot
water. The temperature can be adjusted - see page 38 ‘PCB Programming Procedures’.
11.Lift the top cover (power is isolated by top cover switch) and carry out a visual inspection for any water or CO2
gas leaks.
12.Replace any covers and now test the water for taste. Any hint of plastic taste in the water means the WL4
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Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Firewall needs to be flushed with an additional 10 litres.
13.The WL4 Firewall should be sanitised at installation. ‘Sanitising or Descaling’.
14.The WL4 Firewall must not be installed in direct sunlight, adjacent to a heat source, or in an ambient room
temperature above 30°C or below 5°C.
INSTRUCTIONS ON CHANGING THE CO BOTTLE
2
Removing empty bottle
Turn off the empty bottle and disconnect from gas regulator.
Connecting new bottle
Before connecting new Co2 bottle, remove dust cap.
Face the gas bottle away from yourself and purge the bottle for 2 seconds to release any air and clean any dirt or
dust from the top of the bottle.
Connect bottle to gas regulator, and turn on. The pressure should read 3 Bar. Adjust if needed.
Purging the WL4 FIREWALL
Lift the yellow lever under top cover for 5-10 seconds to purge the gas line and carbonator.
Place a container of at least 5 litre under the faucet and dispense sparkling water until just gas is dispensed from
the faucet. The WL4 Firewall will now refill. This takes about 4 minutes. When the pump has stopped turn the gas
bottle off.
Record the regulator pressure, normally 3 Bar. After 5 minutes check the gauge for any pressure drop as this indicates
a leak. Remember to turn on the CO2 bottle!!
INSTALLATION KIT
1-20 metres of 6mm 5/16 inch water pipe, PRV (pressure reducing valve) set at 3 bar or 42 psi, Non return
valve, Self-cutting saddle valve or isolating valves, Moulded plug fitted, CO2Gas (if required), CO2 Regulator,
Customer Handbook Allow 1 Hour
• The WL4 Firewall must be installed according to the local guidelines.
• Waterlogic strongly recommend that a pressure reducing valve is set at 3 bar and a non-return valve
be used on all WL4 Firewall installations.
• The WL4 Firewall should not be connected to water supplies of unknown bacterial quality or those
are not already fit for human consumption. The WL4
Firewall should only be connected to a Potable drinking
water supply.
• The filter on the WL 4 Firewall must be changed every 6
months.
• The UV lamp on the WL 4 Firewall must be changed
every 6 months.
• The cold tank should also be flushed and sanitised every 6
months.
• Waterlogic International strongly recommends the use of an
anti-flood device.
• Figure 1 is the recommended installation kit.
Fig 1. Waterlogic Installation Kit
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
13
OPERATING INSTRUCTIONS
Your Waterlogic 4 Firewall is generally ready for use. If the sleeping cat
symbol is illuminated,
the WL4 Firewall has entered sleep mode, pushing any button will bring the WL4 Firewall out of sleep mode.
Sleep mode is an energy saving feature that minimizes power consumption when the WL4 Firewall is not in use
over extended periods.
OPERATING INSTRUCTIONS
COLD water
Press the cold water button. Cold water will be dispensed immediately.
Dispensing your choice of water is very simple, as follows:
1. Place your cup centrally in the dispensing area
2. Select the type of water you wish to be dispensed and press the corresponding button.
AMBIENT water
3. Keep the button depressed until your cup has reached the desired level, and then release the button.
4. Whist the dispense button is depressed, a coloured light will illuminate the dispensing area of your Firewall.
Press the ambient water button and water will be dispensed.
HOT WATER CAUTION
n
n
n
n
n
Always place cup / mug in the centre of the drip tray.
Always use a ceramic cup or a cup suitable for use with hot water.
Do not hold cup or place hands in dispensing area whilst dispensing water.
Do not dispense water in a stop start style of vending
(hold button continuously until cup is full).
Never try to fill more than one vessel at a time.
Fold Down Cup Holder
The fold down cup holder should be used to reduce splashing when
smaller receptacles are in use. It is only intended for small/plastic cups
when filled which do not exceed 500 grams (16 ounces).
Please fold up when not in use.
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Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
SPARKLING water
Press the sparkling water button. Sparkling water will be dispensed immediately.
HOT water
Press and hold the hot water and extra hot water buttons together for 3 seconds (This safety
feature prevents hot water from being dispensed accidentally, especially by children). Amber
lighting will illuminate the dispensing area to confirm your selection, and hot water will be
dispensed following a 3 second pause.
EXTRA HOT water
Press the extra hot water button and the hot water icon on the display panel will light
to indicate that the water is heating. Once the icon turns off, the water is at the correct
temperature and extra hot water can be dispensed following the same method as Hot
Water.
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
15
MAINTENANCE AND SERVICING
6 Month Service Procedure
This procedure should only be carried out by persons trained by Waterlogic International or their approved
distributors.
The following instructions cover models that can include Hot, Cold, Ambient and Sparkling water.
•
Every six months the filters and UV lamp must be changed.
•
The Firewall quartz spiral must be removed, checked and cleaned every six months if needed.
•
A WL4 Firewall with a hot water option may require the having any calcium build up inside the hot tank removed,
depending on local water conditions.
•
No paperwork or cleaning records should ever be stored inside the WL4 Firewall.
1. Isolate the power to the FIREWALL by turning off the green and red switches at the rear of the WL 4 FIREWALL
and by removing the power cord.
2. To access the filters slide the locking lugs located adjacent to the water dispensing faucet inward, then slide
the top cover forward and lift it upward and back onto its hinges. Hold the top cover open using the top cover
support strut located on the left hand side panel.
3. The two Waterlogic twist filters are at the front left hand side protruding through the WL4 Firewall’s upper metal
shelf. Grip the 1st filter on the left and twist it clock wise to release it. This action will also isolate the water
supply. Please remember that all Waterlogic twist filters are left handed thread. Pull the filter body upward when
it releases and take precautions not to allow the used filter to drip water inside the WL 4 FIREWALL or you can
use the filter tool available from Waterlogic loosen and tighten the filter.
4. Turn off the CO2 supply (if servicing a sparkling water WL 4 FIREWALL and drain the WL4 FIREWALL through
the drain valves located at the rear. Have an adequate size container to drain the tanks into. (5L of water)
5. Remove the top cover of the Firewall chamber and remove the UV lamp first and then release the water feed
fittings to the quartz spiral, remove the the quartz spiral. Clean the spiral removing any lime scale that may
have adhered to the quartz surface. It is important to clean the quartz to allow maximum UV purification to
take place.
6. To santise the cold tank add introduce sanitisation fluid at the back of the machine and fill the cold tank with a mix
of water and sanitisation fluid.
7. Replace the UV lamp and reconnect the UV loom. Do not touch the UV lamp with your bare hands as this will
shorten the lamp life.
8. Machines with the Hot Option Remove and inspect the faucet. If the faucet is cracked or has excessive build
of calcium that cannot be easily cleaned then replace the faucet. Please ensure that you wear cleaning gloves
when handling the faucet.
9. Pre flush the carbon filters outside the WL 4 FIREWALL to waste and then fit into the WL 4 FIREWALL screwing
in anti clockwise.
10.De-scale the hot tank if required.
11.Carry out a visual inspection of the WL 4 FIREWALL’s water and electrical connections and components and take
any remedial action required to prevent a fault. Clean the refrigeration condenser and fan if required.
12.If servicing a sparkling water unit turn back on the CO2 and purge the system by lifting the yellow CO2 relief
valve lever located beside the UV lamp assembly for 1 second. Check the regulator pressure is set at 45 PSI and
there are no CO2 leaks.
The WL4 FIREWALL will go through a self test cycle, the icons will light up. The sparkling water will fill
automatically. But if it is a Cold only or Hot & Cold WL4 FIREWALL then you will need to manually fill the WL4
FIREWALL by depressing the cold water button.You will also need to fill the Hot Tank manual by depressing the
two hot dispense buttons untill water is dispensed.
14.Flush the sparkling and still or ambient water for about 10 litres to generate the filters or until all traces of
Chlorine have been removed. This can be checked by using Chlorine test strips. Flush the hot tank to ensure it is
full of water and then turn on the green switch at the rear of the WL 4 FIREWALL. The unit will now heat and
cool.
15.Wipe the outside surfaces (non abrasive cleaner), clean the drip tray, check there is a 5 cm air gap around
the WL 4 FIREWALL
16.Taste the water, ensure there are no carbon fines in the water, check the WL 4 FIREWALL functions to the
customer’s satisfaction. Should there be any taste issues or carbon fines still in the water then flush the WL 4
FIREWALL again.
SANITISING OR DE-SCALING
Please ensure that you do not accidentally drop santiser or de-scale on any of the WL 4 FIREWALL’s water
or electrical connections.
1. An empty filter housing, as used on the AMETEK filter system fitted with in and out pipe fittings, will be needed
to mix the sanitizing solution. Flush the solution into the machine from the rear bulkhead. Sanitising the
machine using this method will allow the whole cold water system from entry to exit to be sterilised, including
the carbonation pump.
2. Mix a solution of santiser in the empty filter housing.
3. Turn off the water supply to the WL 4 FIREWALL, release the internal water pressure by momentarily pushing
the cold water button. Disconnect the water feed pipe from the rear water in bulkhead of the machine.
4. Fit the water feed pipe to the inlet side of the filter housing with the sanitiser in. Connect a length of 1/4” inch
water pipe from the outlet of the filter housing to the water ‘IN’ bulkhead at the rear of the machine.
5. Release the top cover of the machine by sliding the top cover locking lugs, located either side of the faucet
nipple, inward. Slide the top cover forward and then lift it upward and back onto it hinges. Hold the top cover
open using the support strut located on the left hand side panel. The internal power to the WL 4 FIREWALL
is isolated when you lift the top cover.
6. Bypass the WL 4 FIREWALL internal twist filters as no santiser should enter the filters. These can be bypassed
by using dummy (empty) filters. (same applies for de-scale)
7. Close the top cover, the WL 4 FIREWALL will go through a self test cycle, when this is completed flush the cold
water until the santiser exits the faucet. If sanitizing a sparkling water WL 4 FIREWALL flush the sparkling water
again until the santiser exits the faucet. Please ensure not santiser is allowed to enter the hot tank. Let the WL
4 FIREWALL stand for a minimum of 15 minutes and then flush out the sanitizing solution. Replace or refit the
filters, remove the empty filter housing and reconnect the water supply to the WL 4 FIREWALL.
8. Replace the faucet nipple if it is scratched, cracked, or has calcium build up on it.
9. Clean all outside surfaces of the machine, including the fold down cup stand. Remove and clean the
WL 4 FIREWALL’s drip tray and grill.
10.The above method can be used to remove calcium from the hot tank by using a non toxic de-scale solution
or powder (citric acid based) and flushing the hot water buttons instead of cold. Please read de-scale packet
instructions.
13.Close the top cover, reconnect the power cord and turn on only the red switch at the rear of the WL4 FIREWALL.
16
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
17
FAULT FINDING
MALFUNCTION ICONS
All fault finding procedures must
be carried by a technician trained
by Waterlogic International or their
nominated distributor.
Please take great care and suitable
health and safety measures when
fault finding on live electrical parts.
No water supply - check the
water supply is turned on, if
fault persists please call your
authorised service agent
A fault has been detected please call your authorised
service agent
The UV lamp has failed please call your authorised
service agent
A leak has been detected
- please turn off the
water supply and call your
authorised service agent
Filter needs replacing please call your authorised
service agent
The drip tray is fullplease empty the
drip tray
Note - If all the icons should flash and an audible alarm sounds, please switch the machine off immediately
and call you authorised service agent.
1. No flow of water: Ensure that there iswater supply to the WL 4 FIREWALL from the building and that the
installation isolation valve is turned on. If the installation kit has an anti-leak device included in it (as Waterlogic
Installation kit) then make sure it has not tripped.
ADVISORY ICONS
The UV lamp
is operating
Extra hot water has
been selected
2. No flow of water: Check that the water filters are not blocked and that they are in date and are screwed home
securely into the filter head. Waterlogic recommend filters are changed at 6 months. Check that the internal
leak detection tray has not filled with water.
3. The hot water not hot and cold water not cold: Make sure the green heater compressor switch is turned on.
The cold tank
is chilling
The hot tank
is heating up
Sleep Mode - press any
button to bring machine out
of sleep mode
18
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
4. There is hot water flow but cold water is not flowing: This may be due to the cold water tank being frozen.
If so disconnect power supply for one hour to allow the tank to defrost, and then flush the cold water system.
Check the temperature settings are correct. If the cold tank is not frozen then check the solenoid valve is
operating correctly and being turned on and off when you push the cold button.
5. There is cold water flow but hot water is not flowing: This may be due to calcium build up in the hot tank or
the hot water outlet. De-scale the hot tank. Check the hot water solenoid valve functions correctly and turns
on and off when you hold the hot and extra hot buttons together for 3 seconds.
6. Low flow of cold water or hot water or both: Check the building water pressure to the WL 4 FIREWALL is 45
PSI. Check the filters are not partially blocked, that the solenoid vales function correctly, hot tank calcium build
up need to be de-scaled, cold tank ice build up needs to be defrosted.
7. No sparkling water: Ensure the CO2 bottle is full and turned on and set at 45 PSI. Turning the gas pressure above
45 PSI can stop the production of sparkling water. Check the pump Icon if flashing turn the power to the WL 4
FIREWALL off for 1 minute and then back on to reset the carbonation pump. The pump will time out if it runs
for more than 5 minutes continuously.
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
19
8. Bad or plastic taste: If the WL4 Firewall is new it may need flushing for a longer period..
9. Water leaks: Most leaks will be detected by either the internal WL 4 FIREWALL leak detection system that will
trigger an alarm, or it will trip the Waterlogic block located on the installation kit. Should you see water leaking
from the WL 4 FIREWALL, isolate the supply and start normal fault finding procedures.
Description
WL4
HCS
WL4
HC
Mini & BC Size
11.All Icons flashing and audible alarm: An over heat fault has been detected please switch the WL 4 FIREWALL
off immediately and start fault finding procedures.
Base Cabinet Weight
TECHNICAL SPECIFICATIONS AND WARRANTIES
Fan
WL4
CAS
WL4
CA
WL4
C
25kg
24kg
24kg
WL4
HC
418mm(W) x 1238mm(D) x 470mm(H)
35kg
27kg
34kg
26kg
26kg
34kg
18kg
220-240 Volt / 50Hz
Power Supply
Heater
WL4
C
418mm(W) x 803.4mm(D) x 467.3mm(H)
Base Cabinet Size
Machine Weight
WL4
CA
417mm(W) x 439mm(D) x 470mm(H)
Machine Size
10.No power: Check the building electrical supply to the WL 4 FIREWALL is on and that the power cord is plugged
in. Ensure the red power switch at the rear of the WL 4 FIREWALL is on. Test the WL 4 FIREWALL fuse. Check
that the top cover isolation switch is being activated by the top cover being locked in place correctly. If all these
points are OK then start normal fault finding procedures.
WL4
CS
500W
500W
N/A
N/A
N/A
N/A
500W
N/A
N/A
16W
16W
16W
16W
16W
16W
16W
16W
16W
114W
114W
114W
114W
114W
114W
114W
114W
114W
SAFETY
Compressor
Subject to the standard terms and conditions of sale (a copy of which has been provided to you), neither Waterlogic
International Limited (“Waterlogic”), nor any affiliated companies shall be liable for any damage which could affect,
directly or indirectly, any person or property.
Pump
12W
N/A
12W
N/A
N/A
12W
N/A
N/A
N/A
UV Lamp
11W
11W
11W
11W
11W
11W
11W
11W
11W
Please be aware that any warranties accompanying the sale of our products will be invalidated by any of the
following:
Control Units
15W
15W
15W
15W
15W
15W
15W
15W
15W
668W
656W
168W
156W
156W
168W
656W
156W
156W
75g
75g
75g
75g
75g
75g
45g
45g
45g
2 Litre
2 Litre
Unit Total
• Incorrect installation
Refrigeration Gas R134a
• Incorrect use of the WL 4 FIREWALL
Cold Tank Capacity
4.5 Litre 4.5 Litre 4.5 Litre 4.5 Litre 4.5 Litre 4.5 Litre 2 Litre
• Unsuitable electrical and water supply
Hot Tank Capacity
1.2 Litre 1.2 Litre
• Major short-coming of maintenance
CO2 Bottle (Max)
10kg
Water Connection
N/A
N/A
N/A
N/A
1.2 Litre
N/A
N/A
N/A
10kg
N/A
N/A
10Kg
N/A
N/A
N/A
1/4” Hose
1/4” Hose
1/4” Hose
1/4” Hose
1/4” Hose
1/4” Hose
1/4” Hose
1/4” Hose
1/4” Hose
0.15
(1.5)
0.15
(1.5)
0.15
(1.5)
0.15
(1.5)
0.15
(1.5)
0.15
(1.5)
0.15
(1.5)
0.15
(1.5)
0.15
(1.5)
0.35
(3.5)
0.35
(3.5)
0.35
(3.5)
0.35
(3.5)
0.35
(3.5)
0.35
(3.5)
0.35
(3.5)
0.35
(3.5)
0.35
(3.5)
Megapascal (Bar)
0.30
(3.0)
0.30
(3.0)
0.30
(3.0)
0.30
(3.0)
0.30
(3.0)
0.30
(3.0)
0.30
(3.0)
0.30
(3.0)
0.30
(3.0)
Hot Water Temperature
87°C
87°C
N/A
N/A
N/A
N/A
87°C
N/A
N/A
Cold Water Temperature
6°C
6°C
6°C
6°C
6°C
6°C
6°C
6°C
6°C
Sparkling Water Temperature
6°C
N/A
6°C
N/A
N/A
6°C
N/A
N/A
N/A
• Technical interventions or alterations of an unauthorised nature
• Adoption and use of unapproved spare parts
• Engagement of untrained personnel
Minimum Water Pressure
Waterlogic has a policy of constant and continual improvement and therefore reserves the right to change
specifications without prior notice, other than in the case of significant changes.
Megapascal (Bar)
Maximum Water Pressure
Megapascal (Bar)
Recommended Water Pressure
20
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
21
END OF LIFE
MAIN PCB SCHEMATIC DIAGRAM - Hot, Cold and Sparkling
NON EU COUNTRIES
At the end of this products life, please ensure that it is disposed of in an environmentally friendly manner which
is in line with your Country requirements/guidelines.
WEEE (EU ONLY)
Please be aware that our products are covered by the Waste Electrical and Electronic (WEEE) directive (2002/96/EC).
The symbol shown above denotes that the product should not be disposed of with general/household waste. Please
contact your supplier/service agent who will arrange for the collection and disposal of this product.
ROHS
All Waterlogic machines comply with EC Directive (2002/95/EC) on the Restriction of the Use of Certain Hazardous
Substances in Electrical and Electrical Equipment (RoHS).
BioCote® (Anti-microbial solution)
For your added protection this product incorporates BioCote® antimicrobial technology. Silver, in the form of silver
ions, is the active ingredient utilised in BioCote®. This silver technology is manufactured into the surface of our
products, giving them built-in sustainable antimicrobial protection.
BioCote’s silver technology has been tested by an independent laboratory to show its ability to inhibit the growth
of bacteria, mould and fungi by up to 99.9% over a 24 hour period and for the duration of the machine life.
Frequently Asked Questions about BioCote®:
Why use BioCote®? BioCote® will help reduce the risk of cross-contamination. You may not want to think about
it, but every surface in the working environment is a potential breeding ground for Bacteria.
How is it applied? BioCote® is applied via an additive into the manufacturing process and will, therefore, be present
throughout the moulded or painted parts.
How long will BioCote® last? BioCote® will last for the usual life expectancy of your water dispenser. It will not
wear or wash out with use or cleaning.
A 24V in
B Leak Detector
C UV Detector
D Drip Tray Sensor
E Hot Tank Level Control
F Sparkling Water Level Control
G 10 Pin Ribbon Cable
H 9 Pin Ribbon Cable
I Hot Sensor
J Cold Sensor
K Ambient Sensor
L UV
M To Hot Tank
N 230V AC In
O To Compressor
P Solenoid 4
Q Pump
R Solenoid 6
S Solenoid 5
T Solenoid 3
U Solenoid 2
V Solenoid 1
W Fuse 1 Amp
X
Y
What bacteria is BioCote® effective against? BioCote® is effective against most common bacteria, moulds
and fungi.
Please note:
BioCote® is an additional line of defence to protect between cleaning routines, it is not a replacement for your
normal cleaning and sanitisation processes.
22
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
23
24
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Mark
20S1
20S2
20S3
20S5
0V
AD
BT PCB
Mark
20S1
20S2
20S3
20S4
20S5
20S6
0V
Description
Solenoid valve (for in water)
Solenoid valve (for hot water)
Solenoid valve (for cold water in)
Solenoid valve (for cold water out)
Thermostat for overheat (hot tank)
Adaptor 24V
Ballast PCB
Description
Solenoid valve (for in water)
Solenoid valve (for hot water)
Solenoid valve (for cold water in)
Solenoid valve (for cold water)
Solenoid valve (for cold water out)
Solenoid valve (for sparkling water)
Thermostat for overheat (hot tank)
Mark
CDS
DS
H
HLS
MC
MFC
PF
Mark
AD
BT PCB
CDS
DS
H
HLS
MC
Description
UV sensor
Drip tray sensor
Hot water heater
Hot water level check
Motor for compressor
Fan motor for compressor
Power Fuse (250V/10A)
Description
Adaptor 24V DC
Ballast PCB
UV sensor
Drip tray sensor
Hot water heater
Hot water level check
Motor for compressor
Mark
PS1
PS2
PS3
TH1
TH2
TH3
UV
Mark
MFC
P
PF
PS1
PS2
PS3
SLS
Description
Control power switch
Comp & heater power switch
Safe power switch
Thermistor (hot water)
Thermistor (cold water)
Thermistor (over-heat)
UV lamp
Description
Fan motor for compressor
Pump
Power Fuse (250V/10A)
Control power switch
Comp & heater power switch
Top cover power switch
Sparkling water level check
Description
Thermistor (hot water)
Thermistor (cold water)
Thermistor (over-heat)
UV lamp
Water leak sensor
Mark Description
WLS Water leak sensor
Mark
TH1
TH2
TH3
UV
WLS electrical wiring diagram 230V - Hot, Cold and Sparkling
electrical wiring diagram 230V - Hot and Cold
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
25
26
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Mark
20S1
20S3
20S4
20S5
20S6
AD
BT PCB
Mark
20S1
20S2
20S3
20S5
AD
BT PCB
CDS
Description
Solenoid valve (for in water)
Solenoid valve (for cold water in)
Solenoid valve (for cold water)
Solenoid valve (for cold water out)
Solenoid valve (for sparkling water)
Adaptor 24V
Ballast PCB
Description
Solenoid valve (for in water)
Solenoid valve (for ambient water)
Solenoid valve (for cold water in)
Solenoid valve (for cold water out)
Adaptor 24V
Ballast PCB
UV sensor
Mark
CDS
DS
MC
MFC
P
PF
PS1
Mark
DS
MC
MFC
PF
PS1
PS2
PS3
Description
UV sensor
Drip tray sensor
Motor for compressor
Fan motor for compressor
Pump
Power Fuse (250V/10A)
Control power switch
Description
Drip tray sensor
Motor for compressor
Fan motor for compressor
Power Fuse (250V/10A)
Control power switch
Comp & heater power switch
Safe power switch
Mark
PS2
PS3
SLS
TH2
TH3
UV
WLS Mark
TH2
TH3
UV
WLS Description
Comp & heater power switch
Safe power switch
Sparkling water level check
Thermistor (cold water)
Thermistor (over-heat)
UV lamp
Water leak sensor
Description
Thermistor (cold water)
Thermistor (over-heat)
UV lamp
Water leak sensor
ELECTRICAL wiring diagram 230V - Cold and Sparkling
electrical wiring diagram 230V - Cold Only
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
27
28
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Mark
20S1
20S3
20S5
AD
BT PCB
CDS
DS
Mark
20S1
20S3
20S5
AD
BT PCB
CDS
DS
Description
Solenoid valve (for in water)
Solenoid valve (for cold water in)
Solenoid valve (for cold water out)
Adaptor 24V
Ballast PCB
UV sensor
Drip tray sensor
Description
Solenoid valve (for in water)
Solenoid valve (for cold water in)
Solenoid valve (for cold water out)
Adaptor 24V
Ballast PCB
UV sensor
Drip tray sensor
Mark
MC
MFC
PF
PS1
PS2
PS3
TH2
Mark
MC
MFC
PF
PS1
PS2
PS3
TH2
Description
Motor for compressor
Fan motor for compressor
Power Fuse (250V/10A)
Control power switch
Comp & heater power switch
Safe power switch
Thermistor (cold water)
Description
Motor for compressor
Fan motor for compressor
Power Fuse (250V/10A)
Control power switch
Comp & heater power switch
Safe power switch
Thermistor (cold water)
Mark
TH3
UV
WLS Mark
TH3
UV
WLS Description
Thermistor (over-heat)
UV lamp
Water leak sensor
Description
Thermistor (over-heat)
UV lamp
Water leak sensor
electrical wiring diagram 120V - Hot and Cold
electrical wiring diagram 120V - Cold Only
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
29
Wetted Parts List - Hot, Cold and Sparkling
Item Part Number
Description
1
PU-4028
JG Bulkhead Connector Union 1/4" * 1/4"
2
PU-4031
3
4
Wetted Parts ILLUSTRATION - Hot, Cold and Sparkling
Item Part Number
Description
28
PU-4008
JG Equal Elbow Connector 1/4" (PI0308S)
JG LLD PE Tube - Blue O.D.1/4" 240mm
29
PU-4031
JG LLD PE Tube - Blue O.D.1/4"
PU-4010
JG Equal Straight Connector 1/4"
30
PU-4011
JG Equal Tee Connector 1/4" (PI0208S)
PU-4016
Solenoid Valve DC24V 1000mm
31
PU-4031
JG LLD PE Tube - Blue O.D.1/4"
5
PU-4008
JG Equal Elbow Connector 1/4" (PI0308S)
32
PU-4008
JG Equal Elbow Connector 1/4" (PI0308S)
6
PU-4031
JG LLD PE Tube - Blue O.D.1/4" 285mm
33
FU-0007-A
Faucet uv sprial quartz
7
PU-4066
JG Stem Elbow Connector 1/4" * 1/4"
34
PU-4016
Solenoid Valve DC24V 1000mm
OmnipureFilter Head Valved (Q VALVED
HEAD JJ)
Omnipure Twist GAC 10" with
Polyphosphate (WL5540-P)
35
PU-4008
JG Equal Elbow Connector 1/4" (PI0308S)
36
PU-4031
JG LLD PE Tube - Blue O.D.1/4" 220mm
37
CT-2035-D
AQ&Q pump with connector & fitting
8
PU-4022
9
PU-4076
10
PU-4031
JG LLD PE Tube - Blue O.D.1/4" 48mm
38
PU-4031
JG LLD PE Tube - Blue O.D.1/4"
11
PU-4075
Omnipure Non-Valved Head(Q NON
VALVED HEAD JJ)
39
PU-4057
JG Non-Return Valve 1/4"
12
PU-4029
WL5520 10" CBC (WL5520)
40
PU-4031
JG LLD PE Tube - Blue O.D.1/4" 150mm
13
PU-4031
JG LLD PE Tube - Blue O.D.1/4" 41mm
41
PU-4008
JG Equal Elbow Connector 1/4" (PI0308S)
14
PU-4011
JG Equal Tee Connector 1/4" (PI0208S)
42
PU-4008
JG Equal Elbow Connector 1/4" (PI0308S)
15
PU-4016
Solenoid Valve DC24V 1000mm
43
PU-4031
JG LLD PE Tube - Blue O.D.1/4" 70mm
16
PU-4010
JG Equal Straight Connector 1/4"
44
PU-4008
JG Equal Elbow Connector 1/4" (PI0308S)
17
PU-4031
JG LLD PE Tube - Blue O.D.1/4" 55mm
45
PU-4016
Solenoid Valve DC24V 1000mm
18
PU-4011
JG Equal Tee Connector 1/4" (PI0208S)
46
PU-4008
JG Equal Elbow Connector 1/4" (PI0308S)
19
PU-4031
JG LLD PE Tube - Blue O.D.1/4"
47
PU-4031
JG LLD PE Tube - Blue O.D.1/4"
20
CT-2039
Drain Valve and Cap Ass'y 1/4
48
PU-4016
Solenoid Valve DC24V 1000mm
21
PU-4031
JG LLD PE Tube - Blue O.D.1/4"
49
PU-4011
JG Equal Tee Connector 1/4" (PI0208S)
22
PU-4008
JG Equal Elbow Connector 1/4" (PI0308S)
50
PU-4031
JG LLD PE Tube - Blue O.D.1/4" mm
PU-4008
JG Equal Elbow Connector 1/4" (PI0308S)
CT-2073-A
Waterlogic 4 H2CP C&S tank without UV
Holder -Firewall
51
23
52
HT-3036-A
24
PU-4008
JG Equal Elbow Connector 1/4" (PI0308S)
1.2L 230V 800W Steel None-Open Type
Hot Tank(Sensor)
25
PU-4031
JG LLD PE Tube - Blue O.D.1/4"
53
PU-4064
Silicon Tube 5/16" for hot water
26
PU-4011
JG Equal Tee Connector 1/4" (PI0208S)
PU-4064
Silicon Tube 5/16" for hot water Air Vent
460mm
27
PU-4016
Solenoid Valve DC24V 1000mm
mm
54
mm
*Customer specific
30
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
31
MAINS PARTS LIST
38
39
Part
Number
ST-8256
CO-9041
Plastic PCB Support
40
CO-9008
Main PCB WL4000
41
ST-8255
42
PU-4022
WL-4 Top Cover Lock with screw hole
43
44
45
46
PU-4029
PU-4010
PU-4016
PU-4011
WL-4 Adjustable drip tray grill Silver
47
PU-4066
48
49
50
51
52
53
ST-8276
CU-0001
PU-4008
CT-2037
PU-4057
WL4 Firewall hot water faucet
54
CT-2073-A
Silicon Tube 5/16" for hot water
55
PU-4140
WL4 Firewall hot water faucet Insert Pipe
56
EL-5100
57
58
59
60
61
62
63
ST-8283
EL-5122
CT-2035-D
ST-8257
EN-6120-B
64
CT-2005
65
PL-1336
66
ST-8259-D
67
HT-3036-A
68
69
70
PL-1330
PL-1331
Item Part Number
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
PL-1321
PL-1328
ST-8260
EN-6059
EN-6117
ST-8285
EN-6119
PL-1335
PL-1318
PL-1312-C
PL-1317
PL-1344-A
PL-1320-A
ST-8267-A
ST-8267-B
PL-1319-B
ST-8266
CU-0055
PU-4064
PL-1354
PU-4064
PL-1354-A
ST-8261
24
EL-5128
25
ST-8264-A
26
27
28
29
30
ST-8284
PL-1327
ST-8286
PL-1329
EL-5027
31
CO-9001
32
33
ST-8258
PL-1311
34
ST-8207CN
WL3000 Leak containment tray Clip
(sensor 0.5mm)
35
PL-1251CN
Unit Rubber Feet of BOA WL2000 Mini
36
CT-2028
Drain valve cap only (for 5/16" & 1/4" size)
37
CT-2039-A
Drain valve body only for 1/4"
WL-4 Top Cover Safety support
WL-4 Mini Side Panel-L
WL-4 PCB Holder Bracket
WL4 Main PCB metal cover
LED PCB
WL-4 LED PCB Holder sealing Rubber
WL-4 LED hold Plate
WL-4 Firewall Front Upper Panel Silver
WL-4 Drip Tray gill Silver ( Biocote)
WL-4 Drip Tray-sensor Pin(L)
WL-4 Drip Tray-sensor Pin(R)
WL-4 Drip Tray Silver ( Biocote)- WL Logo
WL-4 Drip Tray sensor Holder
WL-4 Air Vent Clip
Silicon Tube 5/16" for hot water
WL-4 Adaptor Holder Bracket
WL4 Power adopter 2A UNIVERSAL with
ST-8264-A
WL-4 Adaptor Fixing bracket Ver2 replaced
ST-8264
WL4 adaptor metal cover
WL-4 Mini Side Panel-R
WL4 Micro SW metal cover
WL-4 Safety Micro Switch Cover
Micro Door Lock S/W only
Compressor (R134a 1/8HP) 230V/50Hz
thermally protected
WL-4 Mini Down Base
Item
Description
WL-4 Mini Front support Frame-R
Wire Condenser for WL4
Domestic Filter Dryer (Chinese)
WL650&WL2000
WL-4 Mini Front support Frame-L
OmnipureFilter Head Valved (Q VALVED
HEAD JJ)
WL5520 10" CBC (WL5520)
JG Equal Straight Connector 1/4"(PI0408S)
Solenoid Valve DC24V 1000mm
JG Equal Tee Connector 1/4" (PI0208S)
JG Stem Elbow Connector 1/4" * 1/4"
Acetal(PI220808S)
WL-4 Omnipure filter fixing bracket
Cushion for solenoid valve
Water level sensor
JG Equal Elbow Connector 1/4" (PI0308S)
Upper Safty Valve 1/4" for Sparkling Unit
JG Non-Return Valve 1/4"(1/4SCV)
Waterlogic 4 H2CP C&S tank without UV
Holder -Firewall
JG End Stop 1/4" (PI4608S)
Brown Wire from Fuse holder to red S/W
Including Fuse(WL-4)
WL-4 Electronics Cover Bracket
WL4 Wire from Philips Ballast to UV Lamp
AQ&Q Pump With Connector & Fitting
WL-4 Pump Bracket
Philips Ballast 220V 11W
double Solenoid Valve DC24V 1000mm
ST-8265
WL-4 Leak Detection Sensor Bracket
Items shown in italics are not shown
32
WL4 MAINS PARTS ILLUSTRATION
WL-4 Fan Bracket
Fan Motor 230V/50-60Hz (AC Axial fan)
UF12B-23B-WL
WL-4 Upper panel wire route hole Silicon
Cover
WL-4 Mini Firewall Upper shelf & Back
panel
1.2L 230V 800W Steel None-Open Type
Hot Tank(Sensor)
WL-4 Back panel-Hinge-A-4
WL-4 Back panel-Hinge-A-1
PCB setting connector
continued on page 37
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
33
WL4 MAINS PARTS LIST - continued
Item Part Number
WL4 MAINS PARTS ILLUSTRATION
Description
71
72
EL-5016
EL-5004
Socket with EMI Filter 110V/60Hz
Switch - Power (Red)
73
EL-5005
Switch - Heater/Compressor (Green)
74
PU-4028
75
ST-8300
76
77
78
79
80
81
CT-2001-B
CT-2074
CT-2010
CT-2078-A
FU-0005-A
FU-0007-A
82
CT-2077-A
83
FU-0001-A
84
ST-8298
85
PL-1337
86
PL-1322-C
87
PL-1323
88
LP-7240
89
LP-7237
90
LP-7238
91
LP-7241
92
93
EN-6118
EN-6116-A
JG Bulkhead Connector Union 1/4" *
1/4"(PI1208S)
WL4 Firewall C&S fixing bracket to
upper shelf.
UV Lamp Fixing Rubber (Silicon)
UV Lamp 11W
CDS Fixing Rubber (Silicon)
WL-4 Firewall UV Lamp Fixing Rubber
WL4 Firewall -AL Top Case Cover
WL4 Firewall -Sprial Quartz
WL-4 Firewall Spiral Quartz spacer to
Outer quartz sleeve
WL4Firewall -Al Housing
WL4 Firewall system fixing bracket to
the upper shelf
WL-4 LCD Cover Panel(WL Logo)
WL-4 Top Cover Silver with
FirewallLogo
WL-4 4 Button Panel
Sparkling Button Label in four option
model
Cold Button Label in four option
model
Hot Button Label in four option
model
Extra hot Button Label in four option
model
Button PCB
WL-4 Display PCB for Firewall(CDS)
94
PL-1334
WL-4 PCB Cover
95
PL-1333
WL-4 Back panel-Hinge-A-3
96
PL-1332
WL-4 Back panel-Hinge-A-2
Items shown in italics are not shown
34
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
35
WL-4 PCB Programming Procedure
PCB Setting procedure
The Service PCB has been developed to allow the WL 4 FIREWALL PCB
to be reset using an external PCB.
Button Descriptions
UP
Menu Up
DOWN
Menu Down
ENTER
Enter and Modify
SELECT
Select and Enter/Exit
Step 1: Connect the service PCB to the machine
• Before you connect the Service PCB to the WL 4
FIREWALL machine, turn the machine power off.
•Connect the RS232 connector from Service PCB
to the machine.
• Switch ON the WL4 machine.
• Switch ON Plug the power adaptor of switch PCB in
to the socket of the Service PCB.
READ/SEND Read/Send Data
Step 2: Initial Mode & LCD Display
LED Display
TEMP
Actual temperature and filter use hours
READ
Read PCB Data
SET
Setting PCB Data
SEND
Sending Data to Machine
FILTER
Filter Reset
• When the Service PCB is powered up it will display, in order, as below:
WL4 FIREWALL TOOL
SOFT V1.0 (Version)
DISPLAY TMP
• When the above display mode has finished, the word Display will appear on the screen
and only the green TEMP LED will remain illuminated.
WL-4 SERVICE PCB KITS
• When the screen shows Display TMP and TEMP LED light is illuminated, the current data
information of the WL 4 FIREWALL can be checked.
Cold Water Actual Temperature, Hot Water Actual Temperature and/or Filter Timer as of now
• Press any one of the three buttons - Up, Down or Enter, the screen will show Sending.
This shows the Service PCB is communicating with the WL 4 FIREWALL to read its actual data.
RS232
Service PCB
Power Adaptor
•To view the actual data for cold water temperature, hot water temperature and filter timer,
press either the “Up” or “Down” button.
Note: This data is not the WL 4 FIREWALL setting information but the WL 4 FIREWALL actual current data.
36
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
37
Step 3: Factory(Or Original) PCB setting check
• Press the “Select” button and READ LED will illuminate. The screen will show READ SET
DATA. Then press any of the three buttons (Up, Down or Enter) and screen display will
change to PRESS SEND KEY.
• Press the “Send” button, Sending will show on the screen. This will be followed by COMM
SUCCESS which indicates that the Service PDCB is communicating with the WL 4 FIREWALL
and reading the original setting data.
• Press the “Down” button to read whole PCB setting and press “Up” button to read back from
the top setting.
•To send the new setting data to the WL 4 FIREWALL PCB, press the “ Select” button, the screen will
display SEND WORK DATA and SEND LED will be illuminated. The Service PCB is now ready to
re-program the PCB in the WL 4 FIREWALL. Press the “Send” button on the Service PCB and the
screen will display COMM SUCCESS. This connfirms the successful transfer of the data.
Note: At this stage, the Service PCB can read the actual settings and cannot change these settings.
Settings can be changed in the next step, Step 4.
Step 4: Reset PCB setting
• Press the “Select” button and SET LED will illuminate. The screen will display SET WORK DATA.
Now press the “Enter” button and the display will change to the first setting menu SET
°C/°F: °C or °F”.
•THE WL 4 FIREWALL PCB is now set to new settings.
Step 5: Filter Timer Reset
• Whenever the filter needs replacing and want to reset, press the “Select” button and set LED
Light at “Filter”.
• When FILTER LED is illuminated and the screen will display will show FILTER RESET.
• To change the setting on the display, keep the “Enter” button pressed until the setting you
require appears on the screen.
• To go to the next setting, press the “Down” button, press the “Enter” button until what you need
to set. Repeat this for other setting.
• When all the setting have been correctly set, the final display will show STORE SET DATA?.
Press the “Enter” button and the screen will diaplay STORING. The screen will then change
to display STORE SUCCESS. The new setting data is now stored in the Service PCB only and
is not within the WL 4 FIREWALL PCB as yet.
38
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
Waterlogic 4 Firewall Technical Manual - Issue A, August 2010
39
Waterlogic 4 Firewall Technical Manual - Issue A, June 2010
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